The EC3SAW-48S33HP from Cincon Electronics is a DC to DC Converter with Input Voltage 18 to 74 V, Output Voltage 1 3.3 V, Output Current 1 700 mA, Isolation Voltage 3000 V, Operating Temperature -40 to 85 Degree C. Tags: Through Hole, Buck/Step down. More details for EC3SAW-48S33HP can be seen below.